Heat exchange – With repair or assembly means
Patent
1984-01-03
1986-09-30
Richter, Sheldon J.
Heat exchange
With repair or assembly means
2940218, 123 4114, 134 95, 134103, 134169A, 165 95, F28G 900
Patent
active
046142266
ABSTRACT:
A vehicle heater cleaning and repair apparatus and method is provided in which the apparatus has a closed loop pipe system removably connectable to a vehicle heater input and output line which have been disconnected from the engine under the vehicle hood. The water inlet is connected to a water source for allowing the injection of water into the pipe system. A valve allows the water to be shut on or off. A pump is connected to the pipe system for pumping liquid therethrough and through the vehicle heater. Sealant solution and cleaning solution tanks are connected to the piping system for first injecting a cleaning solution for circulation through the vehicle heater core and later for circulating a sealing solution. An electrical heater is also connected to the pipe system for heating the liquids being circulated by the pump through the vehicle heater core. The pipe system has a drain connection through a valve and through a pressure relief valve for dumping the water and cleaning solution and the sealant solution after the cleaning and sealing has been completed. The cleaning solution tank and the sealing solution tank are connected to a source of air for applying the solutions under pressure into the piping system. A repair method allows the vehicle heater to be cleaned and sealed without removal from the vehicle.
REFERENCES:
patent: 3115145 (1963-12-01), Monteath, Jr.
patent: 3409218 (1968-11-01), Moyer
patent: 4176708 (1979-12-01), Joffe
patent: 4213474 (1980-07-01), Harrison
patent: 4390049 (1983-06-01), Albertson
Hobby III William M.
Richter Sheldon J.
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